What was found
(CAN) LOG SEQUENCE 0154872. APPROXIMATELY 20 MINUTES FROM LANDING FUEL QUANTITY INDICATORS SHOWED 3000 POUND IMBALANCE. SUSPECTED A FUEL LEAK AND DECLARED AN EMERGENCY TO LAND. STOPPED ON RUNWAY AND CONFIRMED NO LEAK. MAINTENANCE FOUND NR 1 COCKPIT INDICATOR READING 7500 LBS AND NR 2 READING 4000 LBS, WING INDICATOR READINGS NR 1 4200 LBS. ENGINES INSPECTED FOR FUEL LEAKS, CHECKED OK. REFUELED USING DRIP STICKS. NR 1 FUEL QUANTITY INDICATOR REPLACED.